Difference time between Singapore and Antigua and Barbuda in hours, minutes, and seconds is [ +12 hours ] with gregorian date today is Saturday 12th of September 2026 in Singaporean local time, Where the time now in Singapore is 00:52 AM and the time now in Antigua and Barbuda is 12:52 PM in Antiguan local time and the time comparison between Republic of Singapore and Antigua and Barbuda in greenwich time ( GMT ) where Singapore advanced about greenwich time ( GMT +08:00 ) while Antigua and Barbuda late for greenwich time ( GMT -04:00 ).